W-50-5 Work Cars:
GH&SA 41500-41599 (to T&NO 41500-41749) H&TC 41600-41699 " " " " " LW 41700-41749 " " " " "
These work gondolas were built by Mt. Vernon Car Co in 1921.
For more detailed information, consult Tony Thompson's book Southern Pacific Freight Cars Vol. I: Gondolas and Stock Cars. A photo of H&TC 41617 appears on the bottom of pg. 47.